Arnold Schwarzenegger

as Luke Brunner

Monica Barbaro

as Emma Brunner

Fabiana Udenio

as Tally Brunner

Milan Carter

as Bartholomew "Barry" Putt

Fortune Feimster

as Ruth "Roo" Russell

Travis Van Winkle

as Aldon Reese

Jay Baruchel

as Carter Perlmutter

Aparna Brielle

as Tina Mukerji

Andy Buckley

as Donatello "Donnie" Luna

Gabriel Luna

as Boro Polonia